# MBCommCStateCallback

## C Specification

      #include <nitro/mb.h>

      typedef void (*MBCommCStateCallback)(u32 status, void* arg);

## Description

Defines the format of the callback function, which is called every time the child state changes.

## Members

`status` | Indicates the state shown in `MBCommCState`.
`arg` | NULL is passed in the state and every callback.

## See Also

`MBCommCState, MB_CommSetChildStateCallback, MB_CommGetChildState`

## Revision History

08/09/2004 Initial version